Mrs Soubassi with her pupipls at 11th Grade are studing this topic during the school year 2013-14.
Would you like their efforts at http://projects-in-school.blogspot.gr/search/label/4b%20%CE%9C%CE%AD%CE%BB%CE%BB%CE%BF%CE%BD and http://projects-in-school.blogspot.gr/search/label/4b%20%CE%9F%CF%81%CE%AC%CE%BC%CE%B1%CF%84%CE%B1.in the Greek blog?